Repeated headers list for ASGI frameworks

instrumentation/opentelemetry-instrumentation-fastapi/tests/test_fastapi_instrumentation.py

@@ -12,8 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import unittest
+from collections.abc import Mapping
 from timeit import default_timer
-from typing import Mapping, Tuple
+from typing import Tuple
 from unittest.mock import patch
 
 import fastapi

util/opentelemetry-util-http/src/opentelemetry/util/http/__init__.py

@@ -14,11 +14,12 @@
 
 from __future__ import annotations
 
+from collections.abc import Mapping
 from os import environ
 from re import IGNORECASE as RE_IGNORECASE
 from re import compile as re_compile
 from re import search
-from typing import Callable, Iterable, Mapping, Optional
+from typing import Callable, Iterable, Optional
 from urllib.parse import urlparse, urlunparse
 
 from opentelemetry.semconv.trace import SpanAttributes